Fifteen out of twenty planned ships were laid down before the start of Operation Barbarossa Only one was completed during World War II.
Five others were completed after the war, but five were scrapped on the stocks at Nikolayev when it was captured by the Germans in late 1941.
The Uragans had proven to be too small for the weight of their armament, too slow and had poor seakeeping capabilities due to their excessive top-weight.
The underwater armament consisted of one triple 456 mm (18.0 in) torpedo tube mount, fitted between the funnels and up to 40 mines.
[1] Yastreb had 2 shaft geared steam turbines producing 23,000 shp (17,000 kW) that propelled her to 34 knots (39 mph; 63 km/h).
[5] Five other ships had made significant progress before the Germans invaded and were completed to a revised design, Project 29K, after the war.
These were slightly larger, added four single 37 mm (1.5 in) 61-K AA guns, and a pair of depth charge throwers in lieu of the mines.
Zorkii also appears to have been transferred to the Border Guards upon completion before it was returned to the Navy in 1952.